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Last active August 11, 2018 02:51
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RFS variation with block size
Raw
config
[global]
ioengine=sync
size=75M
rw=rw
nr_files=2
directory=/media/mmcsd-0-1
thread=1
ss_ramp=5
create_fsync=0
[sdhci-rfs-rw-fs-4k]
bs=4k
Raw
sdhci-rfs-randrw-fs-1k
sdhci-rfs-randrw-fs-1k: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.6-149-g82eb4-dirty
Starting 1 thread
sdhci-rfs-randrw-fs-1k: Laying out IO files (2 files / total 75MiB)
Jobs: 1 (f=2): [m(1)][100.0%][r=48KiB/s,w=60KiB/s][r=12,w=15 IOPS][eta 00m:00s]
sdhci-rfs-randrw-fs-1k: (groupid=0, jobs=1): err= 0: pid=1: Fri Jan 1 00:17:37 1988
read: IOPS=17, BW=70.7KiB/s (72.4kB/s)(37.5MiB/543393msec)
clat (msec): min=3, max=245, avg=29.63, stdev=42.66
lat (msec): min=3, max=245, avg=29.63, stdev=42.66
clat percentiles (msec):
| 1.00th=[ 9], 5.00th=[ 10], 10.00th=[ 11], 20.00th=[ 12],
| 30.00th=[ 13], 40.00th=[ 13], 50.00th=[ 13], 60.00th=[ 14],
| 70.00th=[ 14], 80.00th=[ 35], 90.00th=[ 67], 95.00th=[ 165],
| 99.00th=[ 174], 99.50th=[ 184], 99.90th=[ 188], 99.95th=[ 190],
| 99.99th=[ 245]
bw ( KiB/s): min= 7, max= 207, per=99.62%, avg=69.73, stdev=35.41, samples=1086
iops : min= 1, max= 51, avg=16.68, stdev= 8.85, samples=1086
write: IOPS=17, BW=70.6KiB/s (72.3kB/s)(37.5MiB/543393msec)
clat (usec): min=1246, max=265729, avg=26943.51, stdev=42987.73
lat (usec): min=1248, max=265730, avg=26944.74, stdev=42987.73
clat percentiles (msec):
| 1.00th=[ 7], 5.00th=[ 8], 10.00th=[ 8], 20.00th=[ 10],
| 30.00th=[ 10], 40.00th=[ 10], 50.00th=[ 10], 60.00th=[ 11],
| 70.00th=[ 11], 80.00th=[ 32], 90.00th=[ 72], 95.00th=[ 161],
| 99.00th=[ 169], 99.50th=[ 182], 99.90th=[ 186], 99.95th=[ 188],
| 99.99th=[ 266]
bw ( KiB/s): min= 7, max= 207, per=99.55%, avg=69.69, stdev=37.03, samples=1085
iops : min= 1, max= 51, avg=16.67, stdev= 9.26, samples=1085
lat (msec) : 2=0.01%, 4=0.02%, 10=32.50%, 20=42.47%, 50=14.09%
lat (msec) : 100=2.70%, 250=8.21%, 500=0.01%
cpu : usr=100.00%, sys=100.00%, ctx=18446744073709551615, majf=18446744073709551615, minf=18446744073709551615
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=9608,9592,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: bw=70.7KiB/s (72.4kB/s), 70.7KiB/s-70.7KiB/s (72.4kB/s-72.4kB/s), io=37.5MiB (39.4MB), run=543393-543393msec
WRITE: bw=70.6KiB/s (72.3kB/s), 70.6KiB/s-70.6KiB/s (72.3kB/s-72.3kB/s), io=37.5MiB (39.3MB), run=543393-543393msec
Raw
sdhci-rfs-randrw-fs-512
sdhci-rfs-randrw-fs-512: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.6-149-g82eb4-dirty
Starting 1 thread
sdhci-rfs-randrw-fs-512: Laying out IO files (2 files / total 75MiB)
Jobs: 1 (f=2): [m(1)][100.0%][r=24KiB/s,w=24KiB/s][r=6,w=6 IOPS][eta 00m:00s]
sdhci-rfs-randrw-fs-512: (groupid=0, jobs=1): err= 0: pid=1: Fri Jan 1 00:26:45 1988
read: IOPS=12, BW=48.3KiB/s (49.4kB/s)(37.5MiB/796302msec)
clat (msec): min=3, max=294, avg=49.41, stdev=56.52
lat (msec): min=3, max=294, avg=49.42, stdev=56.52
clat percentiles (msec):
| 1.00th=[ 5], 5.00th=[ 7], 10.00th=[ 8], 20.00th=[ 15],
| 30.00th=[ 22], 40.00th=[ 27], 50.00th=[ 29], 60.00th=[ 31],
| 70.00th=[ 45], 80.00th=[ 53], 90.00th=[ 178], 95.00th=[ 184],
| 99.00th=[ 211], 99.50th=[ 257], 99.90th=[ 284], 99.95th=[ 288],
| 99.99th=[ 296]
bw ( KiB/s): min= 7, max= 175, per=99.33%, avg=47.68, stdev=28.84, samples=1578
iops : min= 1, max= 43, avg=11.17, stdev= 7.21, samples=1578
write: IOPS=12, BW=48.2KiB/s (49.3kB/s)(37.5MiB/796302msec)
clat (usec): min=24, max=277958, avg=33488.37, stdev=48906.08
lat (usec): min=25, max=277959, avg=33489.59, stdev=48906.08
clat percentiles (usec):
| 1.00th=[ 537], 5.00th=[ 1795], 10.00th=[ 2311], 20.00th=[ 9110],
| 30.00th=[ 12780], 40.00th=[ 15533], 50.00th=[ 16319], 60.00th=[ 17171],
| 70.00th=[ 23200], 80.00th=[ 36439], 90.00th=[ 81265], 95.00th=[170918],
| 99.00th=[193987], 99.50th=[202376], 99.90th=[263193], 99.95th=[270533],
| 99.99th=[278922]
bw ( KiB/s): min= 7, max= 183, per=99.13%, avg=47.58, stdev=29.41, samples=1579
iops : min= 1, max= 45, avg=11.15, stdev= 7.35, samples=1579
lat (usec) : 50=0.38%, 500=0.02%, 750=0.26%, 1000=0.32%
lat (msec) : 2=2.21%, 4=3.05%, 10=13.36%, 20=26.34%, 50=36.47%
lat (msec) : 100=6.35%, 250=10.82%, 500=0.42%
cpu : usr=100.00%, sys=100.00%, ctx=18446744073709551615, majf=18446744073709551615, minf=18446744073709551615
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=9608,9592,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: bw=48.3KiB/s (49.4kB/s), 48.3KiB/s-48.3KiB/s (49.4kB/s-49.4kB/s), io=37.5MiB (39.4MB), run=796302-796302msec
WRITE: bw=48.2KiB/s (49.3kB/s), 48.2KiB/s-48.2KiB/s (49.3kB/s-49.3kB/s), io=37.5MiB (39.3MB), run=796302-796302msec
Raw
sdhci-rfs-rw-fs-1k
sdhci-rfs-rw-fs-1k: (g=0): rw=rw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.6-149-g82eb4-dirty
Starting 1 thread
sdhci-rfs-rw-fs-1k: Laying out IO files (2 files / total 75MiB)
Jobs: 1 (f=2): [M(1)][99.5%][r=248KiB/s,w=232KiB/s][r=62,w=58 IOPS][eta 00m:01s]
sdhci-rfs-rw-fs-1k: (groupid=0, jobs=1): err= 0: pid=1: Fri Jan 1 00:12:24 1988
read: IOPS=47, BW=189KiB/s (193kB/s)(37.5MiB/203745msec)
clat (msec): min=2, max=199, avg=12.01, stdev=19.56
lat (msec): min=2, max=199, avg=12.01, stdev=19.56
clat percentiles (msec):
| 1.00th=[ 9], 5.00th=[ 9], 10.00th=[ 9], 20.00th=[ 9],
| 30.00th=[ 9], 40.00th=[ 9], 50.00th=[ 9], 60.00th=[ 10],
| 70.00th=[ 10], 80.00th=[ 10], 90.00th=[ 11], 95.00th=[ 12],
| 99.00th=[ 159], 99.50th=[ 163], 99.90th=[ 188], 99.95th=[ 194],
| 99.99th=[ 201]
bw ( KiB/s): min= 15, max= 327, per=99.77%, avg=187.56, stdev=72.70, samples=407
iops : min= 3, max= 81, avg=46.14, stdev=18.17, samples=407
write: IOPS=47, BW=188KiB/s (193kB/s)(37.5MiB/203745msec)
clat (usec): min=17, max=197688, avg=9186.38, stdev=19610.91
lat (usec): min=20, max=197689, avg=9187.56, stdev=19610.91
clat percentiles (msec):
| 1.00th=[ 6], 5.00th=[ 6], 10.00th=[ 6], 20.00th=[ 6],
| 30.00th=[ 6], 40.00th=[ 6], 50.00th=[ 6], 60.00th=[ 6],
| 70.00th=[ 7], 80.00th=[ 7], 90.00th=[ 8], 95.00th=[ 9],
| 99.00th=[ 157], 99.50th=[ 161], 99.90th=[ 184], 99.95th=[ 188],
| 99.99th=[ 199]
bw ( KiB/s): min= 7, max= 335, per=99.58%, avg=187.21, stdev=75.30, samples=407
iops : min= 1, max= 83, avg=46.05, stdev=18.83, samples=407
lat (usec) : 20=0.01%
lat (msec) : 4=0.04%, 10=91.46%, 20=5.65%, 50=0.69%, 100=0.58%
lat (msec) : 250=1.57%
cpu : usr=100.00%, sys=100.00%, ctx=18446744073709551615, majf=18446744073709551615, minf=18446744073709551615
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=9608,9592,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: bw=189KiB/s (193kB/s), 189KiB/s-189KiB/s (193kB/s-193kB/s), io=37.5MiB (39.4MB), run=203745-203745msec
WRITE: bw=188KiB/s (193kB/s), 188KiB/s-188KiB/s (193kB/s-193kB/s), io=37.5MiB (39.3MB), run=203745-203745msec
Raw
sdhci-rfs-rw-fs-512
sdhci-rfs-rw-fs-512: (g=0): rw=rw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=sync, iodepth=1
fio-3.6-149-g82eb4-dirty
Starting 1 thread
sdhci-rfs-rw-fs-512: Laying out IO files (2 files / total 75MiB)
Jobs: 1 (f=2): [M(1)][100.0%][r=124KiB/s,w=100KiB/s][r=31,w=25 IOPS][eta 00m:00s]
sdhci-rfs-rw-fs-512: (groupid=0, jobs=1): err= 0: pid=1: Fri Jan 1 00:18:43 1988
read: IOPS=24, BW=99.6KiB/s (102kB/s)(37.5MiB/385749msec)
clat (usec): min=19, max=342183, avg=24263.62, stdev=30191.78
lat (usec): min=20, max=342184, avg=24264.52, stdev=30191.76
clat percentiles (msec):
| 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 9],
| 30.00th=[ 11], 40.00th=[ 17], 50.00th=[ 19], 60.00th=[ 25],
| 70.00th=[ 28], 80.00th=[ 29], 90.00th=[ 30], 95.00th=[ 61],
| 99.00th=[ 184], 99.50th=[ 192], 99.90th=[ 211], 99.95th=[ 220],
| 99.99th=[ 342]
bw ( KiB/s): min= 7, max= 175, per=100.00%, avg=99.16, stdev=39.61, samples=767
iops : min= 1, max= 43, avg=24.08, stdev= 9.90, samples=767
write: IOPS=24, BW=99.5KiB/s (102kB/s)(37.5MiB/385749msec)
clat (usec): min=19, max=234480, avg=15887.75, stdev=27643.39
lat (usec): min=20, max=234481, avg=15888.92, stdev=27643.37
clat percentiles (usec):
| 1.00th=[ 26], 5.00th=[ 26], 10.00th=[ 26], 20.00th=[ 28],
| 30.00th=[ 6980], 40.00th=[ 11207], 50.00th=[ 11469], 60.00th=[ 11994],
| 70.00th=[ 12649], 80.00th=[ 19006], 90.00th=[ 23987], 95.00th=[ 30278],
| 99.00th=[173016], 99.50th=[185598], 99.90th=[214959], 99.95th=[214959],
| 99.99th=[233833]
bw ( KiB/s): min= 7, max= 199, per=99.63%, avg=98.64, stdev=42.10, samples=770
iops : min= 1, max= 49, avg=23.95, stdev=10.52, samples=770
lat (usec) : 20=0.04%, 50=10.54%, 1000=0.01%
lat (msec) : 2=0.02%, 4=5.02%, 10=15.35%, 20=35.80%, 50=28.47%
lat (msec) : 100=1.61%, 250=3.13%, 500=0.01%
cpu : usr=100.00%, sys=100.00%, ctx=18446744073709551615, majf=18446744073709551615, minf=18446744073709551615
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=9608,9592,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: bw=99.6KiB/s (102kB/s), 99.6KiB/s-99.6KiB/s (102kB/s-102kB/s), io=37.5MiB (39.4MB), run=385749-385749msec
WRITE: bw=99.5KiB/s (102kB/s), 99.5KiB/s-99.5KiB/s (102kB/s-102kB/s), io=37.5MiB (39.3MB), run=385749-385749msec
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